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X-CSE-ConnectionGUID: ZsIphowOSyGHgyUBmnp/lw== X-CSE-MsgGUID: p5YV4RwSTFygL7YT7uj7JA== X-IronPort-AV: E=McAfee;i="6800,10657,11673"; a="57465293" X-IronPort-AV: E=Sophos;i="6.21,231,1763452800"; d="scan'208";a="57465293" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jan 2026 11:17:18 -0800 X-CSE-ConnectionGUID: +ES7B3y5TzyCFsJEKsfG4Q== X-CSE-MsgGUID: wMoxixBIT7OtptUbEKWzgg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,231,1763452800"; d="scan'208";a="242863220" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 16 Jan 2026 11:17:16 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vgpJp-00000000LA4-2cvd; Fri, 16 Jan 2026 19:17:13 +0000 Date: Sat, 17 Jan 2026 03:17:09 +0800 From: kernel test robot To: Naman Jain Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Wei Liu , Roman Kisel , Saurabh Sengar , Michael Kelley Subject: drivers/hv/mshv_vtl_main.c:1002:14: warning: cast from 'void (*)(const u8 *)' (aka 'void (*)(const unsigned char *)') to 'smp_call_func_t' (aka 'void (*)(void *)') converts to incompatible function type Message-ID: <202601170352.qbh3EKH5-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 983d014aafb14ee5e4915465bf8948e8f3a723b5 commit: 7bfe3b8ea6e30437e01fcb8e4f56ef6e4d986d0f Drivers: hv: Introduce mshv_vtl driver date: 6 weeks ago config: x86_64-buildonly-randconfig-001-20260117 (https://download.01.org/0day-ci/archive/20260117/202601170352.qbh3EKH5-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260117/202601170352.qbh3EKH5-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202601170352.qbh3EKH5-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/hv/mshv_vtl_main.c:1002:14: warning: cast from 'void (*)(const u8 *)' (aka 'void (*)(const unsigned char *)') to 'smp_call_func_t' (aka 'void (*)(void *)') converts to incompatible function type [-Wcast-function-type-strict] 1002 | on_each_cpu((smp_call_func_t)mshv_vtl_synic_mask_vmbus_sint, &mask.mask, 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +1002 drivers/hv/mshv_vtl_main.c 993 994 static int mshv_vtl_sint_ioctl_pause_msg_stream(struct mshv_sint_mask __user *arg) 995 { 996 static DEFINE_MUTEX(vtl2_vmbus_sint_mask_mutex); 997 struct mshv_sint_mask mask; 998 999 if (copy_from_user(&mask, arg, sizeof(mask))) 1000 return -EFAULT; 1001 guard(mutex)(&vtl2_vmbus_sint_mask_mutex); > 1002 on_each_cpu((smp_call_func_t)mshv_vtl_synic_mask_vmbus_sint, &mask.mask, 1); 1003 WRITE_ONCE(vtl_synic_mask_vmbus_sint_masked, mask.mask != 0); 1004 if (mask.mask) 1005 wake_up_interruptible_poll(&fd_wait_queue, EPOLLIN); 1006 1007 return 0; 1008 } 1009 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki